US Bridges

T 307 over Stream

Good

Polk County, Minnesota · 2.3 MI E of JCT Csah 18 · Structure no. 96869

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
1
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 307 over Stream is a concrete culvert carrying T 307 over Stream in Polk County, Minnesota. It was built in 1990, so it is 35 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1 vehicles a day, projected to reach 1 by 2029. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 307
CrossesStream
Location2.3 MI E of JCT Csah 18
RouteCounty Highway 307
Coordinates47.94891, -96.69058
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2009)
Projected traffic1 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 307 over Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is T 307 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does T 307 over Stream carry?

About 1 vehicles per day (2009 count).

How long is T 307 over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m).

Who owns T 307 over Stream?

It is owned by the Town or Township Highway Agency.